Helle Sørensen

Helle Sørensen

Professor

ORCID: 0000-0001-5273-6093

Publication year:
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1 - 79 out of 79Page size: 100
  1. 2024
  2. Published

    Food texture preferences in early childhood: Insights from 3–6 years old children and parents

    Chow, Ching Yue, Bech, A. C., Sørensen, Helle, Olsen, Annemarie & Bredie, Wender, 2024, In: Food Quality and Preference. 113, 11 p., 105063.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. E-pub ahead of print

    Quantile Regression for Longitudinal Functional Data with Application to Feed Intake of Lactating Sows

    Battagliola, M. L., Sørensen, Helle, Tolver, Anders & Staicu, A. M., 2024, (E-pub ahead of print) In: Journal of Agricultural, Biological, and Environmental Statistics.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. 2023
  5. Published

    A forced-choice pictographic method to measure food texture preferences among schoolchildren

    Skouw, S., Chow, Ching Yue, Sørensen, Helle, Bech, A. C., Laureati, M., Olsen, Annemarie & Bredie, Wender, 2023, In: Food Quality and Preference. 105, 11 p., 104783.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Acceptance of insect foods among Danish children: Effects of information provision, food neophobia, disgust sensitivity, and species on willingness to try

    Erhard, A. L., Águas Silva, M., Damsbo-Svendsen, M., Menadeva Karpantschof, B. E., Sørensen, Helle & Frøst, Michael Bom, 2023, In: Food Quality and Preference. 104, 9 p., 104713.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Associations between alcohol consumption and HDL subspecies defined by ApoC3, ApoE and ApoJ: the Cardiovascular Health Study

    Wilkens, Trine, Sørensen, Helle, Jensen, Majken Karoline, Furtado, J. D., Dragsted, Lars Ove & Mukamal, K. J., 2023, In: Current Problems in Cardiology. 48, 1, 22 p., 101395.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Cover crop root morphology rather than quality controls the fate of root and rhizodeposition C into distinct soil C pools

    Engedal, Tine, Magid, Jakob, Hansen, Veronika, Rasmussen, J., Sørensen, Helle & Jensen, Lars Stoumann, 2023, In: Global Change Biology. 29, 19, p. 5677-5690 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Effects of Norway spruce shelter density and soil scarification method on mortality and height growth of underplanted European beech, European silver fir and Douglas fir

    Reventlow, Ditlev Otto Juel, Nord-Larsen, Thomas, Sørensen, Helle & Skovsgaard, J. P., 2023, In: Forestry. 96, 4, p. 481–497 cpac051.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Higher N2O emissions from organic compared to synthetic N fertilisers on sandy soils in a cool temperate climate

    Petersen, S. O., Peixoto, L. E. K., Sørensen, Helle, Tariq, Azeem, Brændholt, Andreas, Hansen, Line Vinther, Abalos, D., Christensen, A. T., Nielsen, C. S., Pullens, J. W. M., Bruun, Sander, Jensen, Lars Stoumann & Olesen, J. E., 2023, In: Agriculture, Ecosystems and Environment. 358, 12 p., 108718.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Local inference for functional linear mixed models

    Pini, A., Sørensen, Helle, Tolver, Anders & Vantini, S., 2023, In: Computational Statistics and Data Analysis. 181, 19 p., 107688.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    The combined effect of pH and dissolved inorganic carbon concentrations on the physiology of plastidic ciliate Mesodinium rubrum and its cryptophyte prey

    Yde Eriksen, C. S., Desmaret Walli, M., Van de Waal, D. B., Helmsing, N. R., Dahl, E. O., Sørensen, Helle & Hansen, Per Juel, 2023, In: Harmful Algae. 129, 11 p., 102509.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. 2022
  14. Published

    A bias-adjusted estimator in quantile regression for clustered data

    Battagliola, M. L., Sørensen, Helle, Tolver, Anders & Staicu, A. M., 2022, In: Econometrics and Statistics. 23, p. 165-186 22 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Exchange and experimentation: community seed banks strengthen farmers’ seed systems in Northern Malawi

    Vansant, Emilie Claire, Bezner Kerr, R., Sørensen, Helle, Phiri, I. & Westengen, O. T., 2022, In: International Journal of Agricultural Sustainability. 20, 7, p. 1415-1436 22 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Hepcidin and erythroferrone complement the Athlete Biological Passport in the detection of autologous blood transfusion

    Andersen, A. B., Bejder, Jacob, Bonne, T. C., Sørensen, H., Sørensen, Helle, Jung, G., Ganz, T., Nemeth, E., Secher, Niels H., Johansson, P. I. & Nordsborg, Nikolai Baastrup, 2022, In: Medicine and Science in Sports and Exercise. 54, 9, p. 1604-1616 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Impacts of empty fruit bunch applications on soil organic carbon in an industrial oil palm plantation

    Noirot, L. M., Müller-Stöver, Dorette Sophie, Wahyuningsih, R., Sørensen, Helle, Sudarno, Simamora, A., Pujianto, Suhardi & Caliman, J. P., 2022, In: Journal of Environmental Management. 317, 9 p., 115373.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Perennial flower strips in apple orchards promote natural enemies in their proximity

    Jacobsen, Stine Kramer, Sørensen, Helle & Sigsgaard, L, 2022, In: Crop Protection. 156, 9 p., 105962.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. 2021
  20. Published

    Immature reticulocytes are sensitive and specific to low-dose erythropoietin treatment at sea level and altitude

    Jeppesen, Jan Sommer, Breenfeldt Andersen, A., Bonne, T. C., Thomassen, Martin, Sørensen, Helle, Nordsborg, Nikolai Baastrup, Olsen, N. V., Huertas, J. R. & Bejder, Jacob, 2021, In: Drug Testing and Analysis. 13, 7, p. 1331-1340 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Metabolic Reliance on Photosynthesis Depends on Both Irradiance and Prey Availability in the Mixotrophic Ciliate, Strombidium cf. basimorphum

    Hughes, E. A., Maselli, Maira, Sørensen, Helle & Hansen, Per Juel, 2021, In: Frontiers in Microbiology. 12, 12 p., 642600.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Phosphorus accumulation and leaching risk of greenhouse vegetable soils in Southeast China

    Kalkhajeh, Y. K., Huang, B., Sørensen, Helle, Holm, Peter Engelund & Hansen, Hans Chr. Bruun, 2021, In: Pedosphere. 31, 5, p. 683-693 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    School children cooking and eating insects as part of a teaching program – Effects of cooking, insect type, tasting order and food neophobia on hedonic response

    Chow, Ching Yue, Riantiningtyas, Reisya Rizki, Sørensen, Helle & Frøst, Michael Bom, 2021, In: Food Quality and Preference. 87, 6 p., 104027.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Succession of the fungal endophytic microbiome of wheat is dependent on tissue-specific interactions between host genotype and environment

    Latz, Meike, Kerrn, Mads Herbert, Sørensen, Helle, Collinge, David B., Jensen, Birgit, Brown, J. K. M., Madsen, A. M. & Jørgensen, Hans Jørgen Lyngs, 2021, In: Science of the Total Environment. 759, 11 p., 143804.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. 2020
  26. Published

    Pseudohyphal growth in Saccharomyces cerevisiae involves protein kinase-regulated lipid flippases

    Frøsig, M. M., Costa, S. R., Liesche, J., Østerberg, J. T., Hanisch, S., Kjeldgaard-Nintemann, Sebastian J, Sørensen, Helle, Palmgren, Michael, Pomorski, Thomas Guenther & Lopez Marques, Rosa Laura, 6 Aug 2020, In: Journal of Cell Science. 133, 15, 235994.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. 2019
  28. Published

    Defining the twig fungal communities of Fraxinus species and Fraxinus excelsior genotypes with differences in susceptibility to ash dieback

    Kosawang, Chatchai, Sørensen, Helle, Kjær, Erik Dahl, Dilokpimol, A., McKinney, L. V., Collinge, David B. & Nielsen, Lene Rostgaard, 2019, In: Fungal Ecology. 42, 8 p., 100859.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Erfaringer med eksperimenter der genererer data til brug i undervisningen

    Sørensen, Helle, 2019, Symposium i Anvendt Statistik 2019. Linde, P. (ed.). Økonomisk Institut, Københavns Universitet og Det Nationale Forskningscenter for Arbejdsmiljø, p. 224-235

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  30. Published

    Independence, successive and conditional likelihood for time series of counts

    Sørensen, Helle, 2019, In: Journal of Statistical Planning and Inference. 200, p. 20-31

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Organic cropping practice decreases pest abundance and positively influences predator-prey interactions

    Jacobsen, Stine Kramer, Moraes, G. J., Sørensen, Helle & Sigsgaard, L, 2019, In: Agriculture, Ecosystems and Environment. 272, p. 1-9

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Recovery of nutrients from the liquid fraction of digestate: Use of enriched zeolite and biochar as nitrogen fertilizers

    Kocatürk-Schumacher, N. P., Zwart, K., Bruun, Sander, Jensen, Lars Stoumann, Sørensen, Helle & Brussaard, L., 2019, In: Journal of Plant Nutrition and Soil Science. p. 187–195

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. 2018
  34. Published

    DGT technique to assess P mobilization from greenhouse vegetable soils in China: A novel approach

    Kalkhajeh, Y. K., Sørensen, Helle, Huang, B., Guan, D., Luo, J., Hu, W., Holm, Peter Engelund & Hansen, Hans Chr. Bruun, 15 Jul 2018, In: Science of the Total Environment. 630, p. 331-339

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Biological control of rice sheath blight using hyphae-associated bacteria: development of an in planta screening assay to predict biological control agent performance under field conditions

    Nicolaisen, Mette Haubjerg, Nguyen Duc Cuong, Herschend, J., Jensen, Birgit, Le Cam Loan, Pham Van Du, Sørensen, Jan, Sørensen, Helle & Olsson, S., 2018, In: BioControl. 63, 6, p. 843-853

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Cellular shear stiffness reflects progression of arsenic-induced transformation during G1

    Muñoz, A., Eldridge, W. J., Jakobsen, N. M., Sørensen, Helle, Wax, A. & Costa, M., 2018, In: Carcinogenesis. 39, 2, p. 109–117 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Functional logistic regression: a comparison of three methods

    Mousavi, S. N. & Sørensen, Helle, 2018, In: Journal of Statistical Computation and Simulation. 88, 2, p. 250-268

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Sammenhænge, risici, behandlingseffekter - kan vi stole på forskningsresultaterne?

    Ditlevsen, Susanne, Sørensen, Helle & Andersen, Per Kragh, 2018, In: Practicus. 241, p. 8-9

    Research output: Contribution to journal › Journal article › Research

  39. 2017
  40. Published

    Diffusion-Type Models with Given Marginal Distribution and Autocorrelation Function / Introduction

    Sørensen, Helle, 2017, Inference, Asymptotics, and Applications: Selected Papers of Ib Michael Skovgaard, with Introductions by his Colleagues. Reid, N. & Martinussen, T. (eds.). World Scientific, p. 263-269

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  41. Published

    Micro vertical changes in soil pH and base cations over time after application of wood ash on forest soil

    Hansen, M., Bang-Andreasen, T., Sørensen, Helle & Ingerslev, Morten, 2017, In: Forest Ecology and Management. 406, p. 274-280 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Multinomial functional regression with wavelets and LASSO penalization

    Mousavi, S. N. & Sørensen, Helle, 2017, In: Econometrics and Statistics. 150–166

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    The effect of increased loads of dissolved organic matter on estuarine microbial community composition and function

    Traving, Sachia Jo, Rowe, O., Jakobsen, N. M., Sørensen, Helle, Dinasquet, J. V., Stedmon, C. A., Andersson, A. & Riemann, Lasse, 2017, In: Frontiers in Microbiology. 8, 15 p., 351.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. 2016
  45. Published

    A hybridisation barrier between two evolutionary lineages of Barbarea vulgaris (Brassicaceae) that differ in biotic resistances

    Christensen, S., Sørensen, Helle, Jensen, Karen Rysbjerg & Hauser, T. P., 2016, In: Evolutionary Ecology. 30, 5, p. 887-904 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Coexistence facilitates interspecific biofilm formation in complex microbial communities

    Madsen, Jonas Stenløkke, Røder, Henriette Lyng, Russel, J., Sørensen, Helle, Burmølle, Mette & Sørensen, Søren Johannes, 2016, In: Environmental Microbiology. 18, 8, p. 2565–2574

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Coupling bacterioplankton populations and environment to community function in coastal temperate waters

    Traving, Sachia Jo, Bentzon-Tilia, M., Knudsen-Leerbeck, H., Mantikci, M., Hansen, J. L. S., Stedmon, C. A., Sørensen, Helle, Markager, S. & Riemann, Lasse, 2016, In: Frontiers in Microbiology. 7, 13 p., 1533.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Ecotypic differentiation of two sympatric chemotypes of Barbarea vulgaris (Brassicaceae) with different biotic resistances

    Heimes, C., Agerbirk, Niels, Sørensen, Helle, van Mölken, T. & Hauser, T. P., 2016, In: Plant Ecology. 217, 9, p. 1055-1068 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. 2015
  50. Published

    Discussion of “Analysis of spatio-temporal mobile phone data: a case study in the metropolitan area of Milan” by P. Secchi, S. Vantini, and V. Vitelli

    Sørensen, Helle, Markussen, Bo & Tolver, Anders, 2015, In: Statistical Methods and Applications. 24, 2, p. 321-324

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  51. Published

    Effect of temperature on reproduction and embryonic development of the cabbage stem flea beetle, Psylliodes chrysocephala L., (Coleoptera: Chrysomelidae)

    Mathiasen, Helle, Sørensen, Helle, Bligaard, J. & Esbjerg, Peter, 2015, In: Journal of Applied Entomology. 139, 8, p. 600-608 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. Published

    High spatial and fast changes of iron redox state and phosphorus solubility in a seasonally flooded temperate wetland soil

    Prem, M., Hansen, Hans Chr. Bruun, Wenzel, W., Heiberg, L., Sørensen, Helle & Borggaard, Ole K., 2015, In: Wetlands. 35, 2, p. 237-246 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  53. 2014
  54. Published

    Analysis of Juggling Data: Registration of Functional Data Subject to Biomechanical Constraints

    Tolver, Anders, Sørensen, Helle, Muller, M. & Mousavi, S. N., 2014, In: Electronic Journal of Statistics. 8, 2, p. 1856-1864

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. Published

    Introduction to Statistical Data Analysis for the Life Sciences

    Ekstrøm, Claus Thorn & Sørensen, Helle, 2014, 2 ed. CRC Press. 514 p.

    Research output: Book/Report › Book › Research › peer-review

  56. 2013
  57. Published

    An introduction with medical applications to functional data analysis

    Sørensen, Helle, Goldsmith, J. & Sangalli, L. M., 2013, In: Statistics in Medicine. 32, 30, p. 5222-5240 19 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  58. 2012
  59. Published

    A first guide to statistical computations in R

    Martinussen, Torben, Skovgaard, I. & Sørensen, Helle, 2012, Biofolia/Samfundslitteratur.

    Research output: Book/Report › Book › Education

  60. Published

    Can the joint effect of ternary mixtures be predicted from binary mixture toxicity results?

    Cedergreen, Nina, Sørensen, Helle & Svendsen, C., 2012, In: Science of the Total Environment. 427-428, p. 229-237 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  61. Published

    Quantification of symmetry for functional data with application to equine lameness classification

    Sørensen, Helle, Tolver, Anders, Thomsen, M. H. & Andersen, P. H., 2012, In: Journal of Applied Statistics. 39, 2, p. 337-360 24 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  62. 2011
  63. Published

    Goodness-of-fit based on downsampling with applications to linear drift diffusions

    Forman, Julie Lyng, Markussen, Bo & Sørensen, Helle, 2011, In: Scandinavian Journal of Statistics. 38, 2, p. 288-310 23 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  64. Population based growth curve analysis - a comparison between models based on ordinary or stochastic differential equations implemented in a nonlinear mixed effect framework

    Strathe, A. B., Danfær, A. C., Nielsen, B., Klim, S. & Sørensen, Helle, 2011, Modelling nutrient digestion and utilization in farm animals. Sauvant, Van Milgen, Faverdin & Friggens (eds.). Wageningen Academic Publishers, p. 22-31 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  65. 2010
  66. Published

    Introduction to statistical data analysis for the life sciences

    Ekstrøm, Claus Thorn & Sørensen, Helle, 1 Jan 2010, 1. ed. CRC Press. 409 p.

    Research output: Book/Report › Book › Research › peer-review

  67. A multilevel nonlinear mixed-effects approach to model growth in pigs

    Strathe, A. B., Danfær, A. C., Sørensen, Helle & Kebreab, E., 2010, In: Journal of Animal Science. 88, p. 638-649 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  68. Published

    A multivariate nonlinear mixed effects method for analyzing energy partitioning in growing pigs

    Strathe, A. B., Danfær, A. C., Chwalibog, André, Sørensen, Helle & Kebreab, E., 2010, In: Journal of Animal Science. 88, 7, p. 2361-2372 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  69. Published

    A random effects model for binary mixture toxicity experiments

    Sørensen, Helle, Cedergreen, Nina & Streibig, Jens Carl, 2010, In: Journal of Agricultural, Biological, and Environmental Statistics. 15, 4, p. 562-577 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  70. Published

    Agreement between accelerometric symmetry scores and clinical lameness scores during experimentally induced transient distension of the metacarpophalangeal joint in horses

    Thomsen, M. H., Persson, A. B., Tolver, Anders, Sørensen, Helle & Andersen, P. H., 2010, In: Equine Veterinary Journal. 42, Suppl. 38, p. 510-515 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  71. Published

    En introduktion til Statistik

    Ditlevsen, Susanne & Sørensen, Helle, 2010, Museum Tusculanum. 89 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  72. Published

    Hierarchical modelling of temperature and habitat size effects on population dynamics of North Atlantic cod

    Mantzouni, I., Sørensen, Helle, O'Hara, R. B. & MacKenzie, B. R., 2010, In: ICES Journal of Marine Science. 67, 5, p. 833-855 23 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  73. Published

    Symmetry indices based on accelerometric data in trotting horses

    Thomsen, M. H., Tolver, Anders, Sørensen, Helle, Lindegaard, Casper & Andersen, P. H., 2010, In: Journal of Biomechanics. 43, p. 2608-2612 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  74. 2009
  75. Published

    A new mathematical model for combining growth and energy intake in animals: the case of the growing pig

    Strathe, A. B., Sørensen, Helle & Danfær, A. C., 2009, In: Journal of Theoretical Biology. 261, 2, p. 165-175 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  76. Published

    Canopy photosynthesis and time-of-day application of supplemental light

    Markvart, J., Rosenqvist, Eva, Sørensen, Helle, Ottosen, C. & Aaslyng, J. P. M., 2009, In: HortScience. 44, 5, p. 1284-1290 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  77. Published

    Introduction to statistical data analysis for the life sciences

    Ekstrøm, Claus Thorn & Sørensen, Helle, 2009, Department of Basic Sciences and Environment, University of Copenhagen. 334 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  78. 2008
  79. Published

    A review of independent action compared to concentration addition as reference models for mixtures of compounds with different molecular target sites

    Cedergreen, Nina, Christensen, A. M., Kamper, A., Kudsk, P., Matthiassen, S. K., Streibig, Jens Carl & Sørensen, Helle, 2008, In: Environmental Toxicology and Chemistry. 27, 7, p. 1621-1632 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  80. Published

    Can the effect of ternary mixtures be predicted from binary mixture toxicity results?

    Svendsen, C., Cedergreen, Nina, Kamper, A. & Sørensen, Helle, 2008. 2 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  81. Published

    Hormesis in Mixtures - Can it be Predicted?

    Belz, R., Cedergreen, Nina & Sørensen, Helle, 2008. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  82. Published

    Hormesis in mixtures - can it be predicted?

    Belz, R. G., Cedergreen, Nina & Sørensen, Helle, 2008, In: Science of the Total Environment. 404, 1, p. 77-87 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  83. Published

    Independent action compared to concentration addition as reference models for mixtures of compounds with different molecular target sites

    Cedergreen, Nina, Christensen, A. M., Kamper, A., Kudsk, P., Streibig, Jens Carl & Sørensen, Helle, 2008, SETAC Europe 18th Annual Meeting: Extended abstracts. Society of Environmental Toxicology and Chemistry, p. 243-244 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  84. Published

    Lecture notes for "Statistisk Dataanalyse 1"

    Ekstrøm, Claus Thorn & Sørensen, Helle, 2008, Department of Natural Sciences, University of Copenhagen. 204 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  85. Published

    Small sample distribution of the likelihood ratio test in the random effects model

    Sørensen, Helle, 2008, In: Journal of Statistical Planning and Inference. 138, 6, p. 1605-1614 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  86. 2007
  87. Published

    A note on R: linear models and models with random effects

    Martinussen, Torben, Skovgaard, I. M. & Sørensen, Helle, 2007, Frederiksberg: Department of Natural Sciences, University of Copenhagen. 60 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  88. Published

    An isobole-based statistical model and test for synergism/antagonism in binary mixture toxicity experiments

    Sørensen, Helle, Cedergreen, Nina, Skovgaard, I. M. & Streibig, Jens Carl, 2007, In: Environmental and Ecological Statistics. 14, 4, p. 383-397 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  89. Published

    Is mixture toxicity measured on a biomarker indicative of what happens on a population level? a study with Lemna minor

    Cedergreen, Nina, Abbas Poor, M., Sørensen, Helle & Streibig, Jens Carl, 2007, In: Ecotoxicology and Environmental Safety. 67, 3, p. 323-332 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  90. Published

    Lecture notes for applied statistics

    Tolver, Anders & Sørensen, Helle, 2007, Frederiksberg: Department of Natural Sciences, University of Copenhagen. 174 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  91. Published

    Reproducibility of binary-mixture toxicity studies

    Cedergreen, Nina, Kudsk, P., Kopp Mathiassen, S., Sørensen, Helle & Streibig, Jens Carl, 2007, In: Environmental Toxicology and Chemistry. 26, 1, p. 149-156 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  92. 2004
  93. Published

    Mixtures of toxicants

    Cedergreen, Nina, Skovgaard, I. M., Streibig, Jens Carl & Sørensen, Helle, 2004, Symposium i anvendt statistik: 26. årgang, 2004. red. Anders Holm ed. Museum Tusculanum, Vol. 26. p. 210-219 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  94. Published

    Parametric inference for diffusion processes observed at discrete points in time: a survey

    Sørensen, Helle, 2004, In: International Statistical Review. 72, 3, p. 337-354 18 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  95. 2003
  96. Published

    Simulated likelihood approximations for stochastic volatility models

    Sørensen, Helle, 2003, In: Scandinavian Journal of Statistics. 30, 2, p. 257-276 20 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  97. 2002

  98. Estimation of diffusion parameters for discretely observed diffusion processes

    Sørensen, Helle, 2002, In: Bernoulli. 8, 4, p. 491-508 18 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  99. 2001

  100. Discretely Observed Diffusions: Approximation of the Continuous-time Score Function

    Sørensen, Helle, 2001, In: Scandinavian Journal of Statistics. 28, 1, p. 113-121 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  101. 2000

  102. Inference for Diffusion Processes and Stochastic Volatility Models

    Sørensen, Helle, 2000, Copenhagen: H.C.Ø.-Tryk. 164 p.

    Research output: Book/Report › Ph.D. thesis › Research

ID: 4232568